Fix detection of non extention types

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

diff --git a/lib/private/Files/Type/Detection.php b/lib/private/Files/Type/Detection.php
index 2801bfadd17b46c7a2f38a2634ed57ca8496db46..ebd28e7cd24c387f64bef61c3945f6eab0b11740 100644 (file)
--- a/lib/private/Files/Type/Detection.php
+++ b/lib/private/Files/Type/Detection.php
@@ -181,8 +181,11 @@ class Detection implements IMimeTypeDetector {
                        $fileName = preg_replace('!((\.v\d+)|((\.ocTransferId\d+)?\.part))$!', '', $fileName);
 
                        //try to guess the type by the file extension
-                       $extension = strtolower(strrchr($fileName, '.'));
-                       $extension = substr($extension, 1); //remove leading .
+                       $extension = strrchr($fileName, '.');
+                       if ($extension !== false) {
+                               $extension = strtolower($extension);
+                               $extension = substr($extension, 1); //remove leading .
+                       }
                        return (isset($this->mimetypes[$extension]) && isset($this->mimetypes[$extension][0]))
                                ? $this->mimetypes[$extension][0]
                                : 'application/octet-stream';